peltier



No. s|5,635. Paren'm'd nec. 6, |398.

J. PELTIER.

ATTACHMENT FUR LOOMS.

(Apnlication filed Feb. 14, 1898.) N 0 M o d e l 2 Sheets-Sheet l.

Ffa-5- |N\L/E NTD R: WvTNEEl-:S:

No. 65,635. Patented nee. e, Issa. .1. PELTIER. ATTACHMENT FOR. LODMS..

(Application led Feb. 14, 1898.)

2 Sheets-Sheet 2.

{No Model.)

Jl NvENTCIR: n-I-O-I Y. 'I I' NITED STATES PATENT Frrcn.

JOSEPH PELTIER, OF LOVELL, MASSACHUSETTS, ASSIGNOR OF ONE-HALF TOFRANCIS X. GRAVEL, OF SAME PLACE.

ATTACHMENT FOR LOONIS.

SPECIFICATION forming part of Letters Patent No. 615,635, dated December6, 1898.

Application iled February 14, 1898. Serial No. 670,176. (No model.)

a perspective view showing sufficient of a loom to illustrate theconstruction and application of my invention. Fig. 2 represents apartial end view with the parts in another position. Fig. 3 represents aView of the other end of the loom. Fig. 4. represents a partial frontelevation and section. Fig. 5 represents a detail vertical section takenthrough a portion of the shipper-lever.

The same reference characters indicate the same parts in all thefigures. I

In the embodiment of my invention hereinafter described I employ inconnection with the usual stop-motion knock-off a series of deviceswhereby the take-up and let-off mech-` anisms are automatically stoppedwhen the shipper-lever is knocked off and are held from action untilsaid shipper-lever is again placedin the keeper-notch. NVhen the shipperis knocked off by reason of the filling running out or breaking, theloom usually runs for a short time before coming to a full stop becauseof the momentum acquired by its parts. The take-up and let-offmechanisms if allowed to operate until the lay comes to rest willtherefore advance the warps a short distance without any filling, and itbecomes difficult on starting the loom again to lay the next weft-threadclose up to the one which was last beat in. It is therefore desirable tostop' both the take-up and letoff mechanisms the instant the shipper isknocked off in order to prevent the advance of the warps and also tomaintain them at their proper tension.v The object of my invention is tofurnish an improved mechanism for accomplishing this result.

Referring to the drawings, a is the frame of the loom, b the lay, b b'the lay-swords, c the breast-beam, CZ the warp-beam, @the whiproll, fthe crank-shaf t, carrying the eccentric f', which operates the take-uppawl g, h the take-up ratchet, and t the slack-pawl, all of which partsare of familiar construction and need no extended description. Parts ofthe usual let-off mechanism are also here shown, including the pinion j,worm j', ratchet 7c on the worm-shaft, rocker-arm m, carrying pawl m',and rod n,connected to rocker-arm and operated by the beat-lever o. y Ialso show parts of the usual weft stop-motion, including the feeler orhammer p, operated by cam p', slide q, carrying weft or lling fork q',stop-motion rod or rock-shaft r, connected with slide by means of leverq2 and carrying at its end an arm r', which engages the take-up pawl g,and shipper-lever s.

r2 is a knock-off lever carried at the end of the rod r and formed witha lug r3, which engages the shipper-lever s. I/Vhen the filling breaksand the hook on the filling-fork q is engaged by the feeler p, so as tomove the slide q' and rock the rod r, the knock-off lever r2 engages theshipper-lever and dislodges it from its keeper-notch s', thus causingthe belt to be shifted and the loom stopped in the wellknown manner.

tis a catch-lever consisting of a hub portion 2 and an end portion 3,adjustably secured together, the said lever being pivoted to a stud t'on the frame of the loom and connected with a spring i2, which tends toelevate its forward end. The knock-off lever r2 is formed with a lug r4,which normally rests on the upper edge of the catch-lever, but whichenters a notch t5 in said lever when the shipper-lever is knocked off,as shown in Fig. l.

The positions occupied by the parts before the shipper is knocked offare shown in Fig. 2. If-the lay on its forward stroke fails to lift theheel or hook of the filling-fork, the shipper will be knocked off on thenext forward stroke of the fecler p, and the notch t3 in the catch-leverwill engage the lug r4 on the knock-off lever and will hold the latterin its abnormal position, as shown in Fig. l. The take-up pawl g is atthe same time lifted by IOO eaess the arm r4 out of engagement with theratchet 7L and is held in this position so long as the lug r4 is engagedby the notch 3.

h2 is a sword-hook secured to the righthand lay-sword ZJ'. Thissword-hook does not itself engage the beat-lever o, as is usually thecase, but carries a detent Z13, which is arranged to be thrown into andout of position to engage said lever. The detent b3 is formed as abell-crank lever and is pivoted to a downward extension 4 of thesword-hook bi. Its lower inwardly-extending arm is preferably weightedand is connected by a wire u with the end of an arm 1'5, attached to thestopmotion rod r. Normally the detent b3 lies up against the sword-hookb2, as shown in Fig. 4, so that a tongue 5, formed on its upperend,stands in a position to engage the lower end of the beatlever o. Thenwhen the lay is rocked the beat-lever is engaged in each stroke and thelet-off mechanism actuated in the usual manner. lVhen the shipper isknocked ott, however, the arm 75 is raised and the detent b3 movedoutwardly ont of position to engage the beat-lever. The let-offmechanism is thereby rendered inoperative, and is so maintained as longas the catch-lever z5 holds the knock-olf lever in its abnormalposition. (Shown in Fig. l.)

In addition to the foregoing I provide means for returning the part-sautomatically to their normal operative positions when the shipperleveris placed in its keeper-notch to start the loom. Said means may comprisethe following constructions: s2 is a pivoted cam member or detentmounted in a bracket or collar S3, secured to the shipper-lever s andarranged to bear against a complementary cam member or lng t4, attachedto the catch-lever t. The detent s2 is arranged to engage a portion ofthe bracket s3 and to be rigidly held in a vertical position, as shownin Fig. 5, when pressure is applied to its lower end in the direction ofthe shipper-lever. WVhen pressure is applied in the opposite direction,the detent turns on its pivot and tends to assume the horizontalposition shown in dotted lines. Assuming the parts to be in the positionshown in Fig. l, it will readily be seen that when the shipper lever ismoved to place it in the keeper-notch s the detent s2 moves against thecam-lug t4 and depresses the catch-lever to which said lug is attached,thereby disengaging the notch 3 from the lug r4 and allowing theknock-off lever and the parts connected with and under the control ofthe stop-motion rod r to assume their normal positions. lVhen theshipper-lever reaches the keepernotch, the detent s2 passes over theinner edge of the catch-lever i and locates between said lever and theframe-casting of the loom, thus giving the lever room for free upwardmovement. When the shipper-leveris knocked ott, the detent s2 yields inpassing over the edge of the catch-lever.

To those familiar with the art the advantages of my improvement will beapparent. Since the let-oft and take-np mechanisms are positively heldout of action, the lay may be moved back and forth by hand as many timesas desired without moving the warp or the cloth. In the particularconstruction which I have shown as illustrating my invention the partsmay be so related that the shipper-lever can be moved a considerabledistance inward toward the keeper-notch from the position shown in Fig.l without releasing the knockotf lever r2 from its engagement by thecatchlever t, thus enabling the operator to shift the belt onto thedriving-pulley (or to actuate a clutch mechanism) to an extentsufficient to drive the lay without moving the take-up or let-offmechanisms. This will be appreciated as a time and labor savingimprovement. The belt-shifting or clutch-operating mechanism connectedwith the shipperlever s may be of any approved construction, and beingwell known in its operation is not illustrated in the drawings and needsno dcscription.

I claim- 1. In a loom, a shipper-lever, a let-oli mechanism, abeat-lever connected with and arranged to operate said let-offmechanism, a detent carried by the lay-sword and arranged to be movedinto and out of position to engage said beat-lever, a knock-oit deviceconnected with said detent, means for actuating said knock-off device toknock oft' the shipper-lever and move the detent out of engagingposition, and automatic means connected with the knock-off device formaintaining said detent out of its engaging position.

2. In a loom, a let-off mechanism, a beatlever connected with andarranged to operate said let-0E mechanism, a detent carried by thelay-sword and arranged to be moved in and out of position to engage saidbeatlever, a knock-off device including a rockshaft r and an arm 715carried thereby, a connection between said arm and said detent, meansfor actuating the knock-G device to rock the shaft r and move the detentout of engaging position, and automatic means connected with theknock-oft device for maintaining said detent out of its engagingposition.

3. In a loom, a shipper-lever, a member formed with a keeper-notch, aknock-olf lever normally occupying an inoperative position, means formoving said knock-oir lever to an abnormal position to release t-heshipper-lever from the keeper-notch, a catch-lever yieldingly actuatedin a direction to engage the knock-oit leve'r and hold the same in itsabnormal position, and acam member carried by the shipper-lever andadapted to move said catch-lever to disengage it from the knock-oftlever when the shipper-lever is reinserted in the keeper-notch.

4. In a loom, a shipper-lever, a part formed with a keeper-notch, aknock-ofi. lever nor- IOO IIO

inally occupying an inoperative position, means for moving saidknock-off lever to an abnormal position to release the shipper-leverfrom the keeper-notch,a catch-lever yieldingly actuated in a directionto engage the knockoff lever and hold the same in an abnormal position,the said catch-lever being formed with a cam-lug, and a pivotedcam-detent carried by the shipper-lever and adapted to act rigidlyagainst the said cam-lug, so as to disengage the catch-lever from theknock-od lever when the shipper-lever is reinserted in the keeper-notch,and to yield when said shipper-lever moves in the opposite direction.

5. In a loom, a shipper-lever, a rock-shaft r carrying at its oppositeends a pawl-retracting lever controlling the take-up and a knockofflever adapted to engage and knock off the shipper-lever, aretaining-catch mounted on the side frame of the loom and yieldinglyactuated in a direction to engage the knock-off lever, said catch beingnormally restrained' by said knock-01T lever from such engagement, meansfor moving the weft-fork slide to knock off the shipper-lever and causesaid engagement of the knock-off lever,and means on the shipper-leverfor operating on said catch to disengage it from the knock-off leverwhen the shipper-lever is moved in a loom-starting direction.

6. In a loom, a shipper-lever,a let-olf mechanism, a beat-leverconnected with and arrange-d to operate said let-off mechanism, a detentcarried by the lay sword and arranged to be moved into and 4ont ofposition to engage said beat-lever, a knock-off device includin garock-shaft r, an arm carried thereby, and a knock-off lever carriedthereby and adapted to engage and knock off the shipperlever, aconnection between said arm and the detent, means for actuating theknock-off device to rock the shaft r and move the detent out of engagingposition, a catch normally actuated in the direction of the knock-offlever and adapted to engage the same so as to hold the detent ont of itsengaging position and means on the shipper-lever for operating on saidcatch to disengage it from the knockoff lever when the shipper-lever ismoved in a loom-starting direction.

In testimony whereof I have affixed my si gnature in presence of twowitnesses.

JOSEPH PELTIER. lVitnesses:

EDWARD HICKORY, ULRIc TURGEON.

